Refactor schedules

• Rip out all the old partitioning code that is now obsoleted by outlining
• Refactor schedules to be inside functions
  • Enables better serialization / de-serialization
  • Enables editor interface for modifying schedules
  • Removes a bunch of old gunk from PM
  • Schedules can now be built using the IR builder API

requested review from @aaronjc4

assigned to @rarbore2

added 1 commit

• 96141329 - Builder API for schedules

Compare with previous version

mentioned in commit d3281948

merged